Charging the battery
Make sure that the battery is always suffi‐
ciently charged to guarantee that the battery
remains usable for its full service life.
A discharged battery is indicated by a
red indicator light.
The battery may need to be charged in the fol‐
▷ When making frequent short-distance
▷ If the vehicle is not used for more than a
▷ Steptronic transmission: when parked for
long periods of time in selector lever posi‐
tion D, R or N.
Battery chargers for the vehicle battery
can work with high voltages and currents,
which means that the 12 volt on-board net‐
work can be overloaded or damaged. There is
a risk of property damage. Only connect bat‐
tery chargers for the vehicle battery to the
starting aid terminals in the engine compart‐
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 230, in the
engine compartment with the engine off.
After a power loss, some equipment needs to
be newly initialized or individual settings up‐
dated, for example:
▷ Seat and mirror memory: store the posi‐
▷ Time: update.
▷ Date: update.
▷ Glass sunroof: initialize the system.
Disposing of old batteries
Have old batteries disposed of by a
dealer’s service center or another
qualified service center or repair shop
or take them to a collection point.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that it does not tip over during transport.
Incorrect and repaired fuses can overload
electrical lines and components. There is a risk
of fire. Never attempt to repair a blown fuse.
Do not replace a nonworking fuse with a sub‐
stitute of another color or amperage rating.◀
Replacing a fuse
Plastic tweezers and information on the fuse
types and locations are stored in the fuse box
in the glove compartment.
In the glove compartment
Swing the cover down, arrow.
Replacing components Mobility
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